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1. (WO2018220460) DEGASSING VALVE WITH POSITIVE-PRESSURE CONTROL, METHODS FOR PRODUCING SAME AND PACKETS CONTAINING SAME

Pub. No.:    WO/2018/220460    International Application No.:    PCT/IB2018/053391
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Wed May 16 01:59:59 CEST 2018
IPC: B65D 33/01
B65D 51/16
B65D 77/22
B65D 81/20
B65D 81/24
B65D 81/26
F16K 15/14
F16K 15/16
Applicants: PRISMA COFFEE TECH S.A.S.
Inventors: ESTRADA VELEZ, Juan Manuel
Title: DEGASSING VALVE WITH POSITIVE-PRESSURE CONTROL, METHODS FOR PRODUCING SAME AND PACKETS CONTAINING SAME
Abstract:
The present invention relates to a one-way multilayer degassing valve, with positive-pressure control, which comprises one or more layers of a base substrate, one or more layers of a stretchable film and one or more layers of a filtering material. The invention also relates to packets compromising these valves and to a method for producing same.